An election to the 56th Parliament of the United Kingdom for the constituency area of Southend West, held as part of the general election on 7 May 2015.
Conservative hold by David Amess with a majority of 14,021 - 31.5% - on a turnout of 66.6%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| AMESS, David | Con | 22,175 | 49.8% | 3.8% |
| WARE-LANE, Julian | Lab | 8,154 | 18.3% | 4.9% |
| OTRIDGE, Brian | UKIP | 7,803 | 17.5% | 13.6% |
| COLLINS, Paul | LD | 4,129 | 9.3% | -20.1% |
| FULLER, Jon | Green | 2,083 | 4.7% | 3.2% |
| MOSS, Jeremy | ED | 165 | 0.4% | -0.9% |
Under section 13(b) of the Representation of the People Act 1985, a candidate gaining 5% or less of the vote share will forfeit their deposit.
An electorate of 66,876, having a valid vote count of 44,509 and an invalid vote count of 145.
Result declared at 03:12 on 8 May 2015.